一挙両得[ikkyoryoutoku] killing two birds with one stone
一刀両断[ittouryoudan] cutting in two with a single stroke
一両[ichiryou] one vehicle
一両日[ichiryoujitsu] (a) day or two
一両年[ichiryounen] (a) year or two

賛否両論[sanpiryouron] the pros and cons
車両[sharyou] rolling stock
車両化[sharyouka] motorization
車両縦隊[sharyoujuutai] convoy
衆参両院[shuusanryouin] both houses of Parliament (Diet)

一眼[ichigan] one eye
一眼レフ[ichiganrefu] single-lens reflex camera
一隻眼[issekigan] sharp eye
遠眼[engan] farsightedness
遠眼鏡[toomegane] spectacles for far-sightedness

凹眼[ougan] cavernous eyes
凹眼鏡[ougankyou] concave glasses
開眼[kaigan] enlightenment
眼下[ganka] under one's eyes
眼科[ganka] ophthalmology